Stainless SDWS Flat Head Timber Screws

Introducing the Strong-Drive SDWS Timber Stainless Steel heavy-duty structural fastener in severe corrosion resistant Type 316 stainless steel. Its heavy-duty 0.276"-diameter shank, SawTooth point and flat washer head make the SDWS Timber SS the ideal choice for use in applications such as docks, wharves, piers, boardwalks and ledgers where strength and severe-corrosion resistance are critical.

Products (Total Items: 8 )

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Simpson .28 x 3" SDWS Flat Washer Head Timber SS Screw 316 SS

$1.81

Simpson .28 x 4" SDWS Flat Washer Head Timber SS Screw 316 SS

$2.33

Simpson .28 x 5" SDWS Flat Washer Head Timber SS Screw 316 SS

$2.85

Simpson .28 x 6" SDWS Flat Washer Head Timber SS Screw 316 SS

$3.47

Simpson .28 x 8" SDWS Flat Washer Head Timber SS Screw 316 SS

$4.72

Simpson .28 x 10" SDWS Flat Washer Head Timber SS Screw 316 SS

$5.40

Simpson .28 x 12" SDWS Flat Washer Head Timber SS Screw 316 SS

$6.65

Simpson T50 Star Drive Premium Bit

$4.49

Best-in-class, load-tested fasteners: Strong-Drive structural fasteners are engineered and extensively tested to efficiently meet your most demanding wood and metal applications. Stronger can also be faster. The Strong Drive family is designed to install easier than other fastening methods, which saves time and money.
Many of our structural screws have been redesigned with our patented SawTooth point to provide faster starts and easier driving, the difference will amaze you!

Key Features

Fast installation, no predrilling, no counterboring, no heavy-duty equipment needed
Greater withdrawal resistance than spikes
Patented SawTooth point for fast starts and less driving torque without predrilling
Heavy-duty 0.276"-diameter shank provides strength
Large 0.650"-diameter flat washer head with nibs provides load-bearing area and seats flush with surface
Deep T50, 6-lobe recess for secure driving included in every box of 30 screws (replacement part # BIT50T-125-RC1)
Type 316 stainless steel provides corrosion resistance even in severe conditions
Mid-shaft knurl aids in torque reduction
Available in 3", 4", 5", 6", 8", 10" and 12" lengths

Applications

Structural wood-to-wood and engineered-wood connections in coastal or severe corrosion environments. Typical applications include piers, boardwalks, wharves and ledgers.